Waka Kotahi NZ Transport Agency advises of the following closures for motorway improvements. Work delayed by bad weather will be completed at the next available date, prior to Friday, 18 August 2023.

Unless otherwise stated, closures start at 9pm and finish at 5am.

NORTHERN MOTORWAY (SH1)

• Southbound lanes between Silverdale off-ramp and Oteha Valley Road on-ramp, 20-22 August
• Silverdale southbound on-ramp, 20-22 August
• Constellation Drive northbound on-ramp, 21 August (approx. 9:30pm to 5:00am)
• Constellation Drive southbound off-ramp, 21 August (approx. 9:30pm to 5:00am)
• Northbound lanes between Northcote Road off-ramp and Constellation Drive on-ramp, 22-24 August (approx. 9:30pm to 5:00am)
• Tristram Avenue northbound on-ramp, 22-24 August (approx. 9:30pm to 5:00am)
• Northcote Road northbound on-ramp, 22-24 August (approx. 9:30pm to 5:00am)

CENTRAL MOTORWAY JUNCTION (CMJ)

• Hobson Street westbound on-ramp, 21 August
• SH1 southbound to SH16 westbound link, 21 August (approx. 10:00pm to 5:00am
• SH1 southbound to SH16 eastbound (Port) link, 23 August (approx. 10:00pm to 5:00am)
• SH16 eastbound to SH1 northbound link, 23 August (approx. 10:00pm to 5:00am)
• SH16 eastbound to SH1 southbound link, 23 August (approx. 10:00pm to 5:00am)
• SH 16 eastbound to SH16 (Port) link, 23 August (approx. 10:00pm to 5:00am)
• SH1 northbound to SH16 westbound link, 21 August (approx. 10:00pm to 5:00am)
• Westbound lanes between Stanley Street off-ramp and Great North Road on-ramp, 21 August (approx. 10:00pm to 5:00am)
• SH16 (Port) westbound to SH1 northbound link, 21 August
• SH16 (Port) westbound to SH1 southbound link, 21 August
• Wellesley Street East westbound on-ramp, 21 August

SOUTHERN MOTORWAY (SH1)

• Southbound lanes between Takanini off-ramp and Drury/SH22 on-ramp, 23-24 August
• Takanini southbound on-ramp, 23-24 August
• Southbound lanes between Papakura off-ramp and Drury/SH22 on-ramp, 20-22 August
• Papakura southbound on-ramp, 18-26 August (24/7)
• Northbound lanes between Drury/SH22 off-ramp and Papakura on-ramp, 23-24 August
• Drury/SH22 northbound on-ramp, 23-24 August
• Drury/SH22 northbound off-ramp, 20 August (approx. 5:00am to 07:00pm)
• Northbound lanes between Ramarama off-ramp and Drury/SH22 on-ramp, 21-22 August
• Ramarama northbound on-ramp, 21-22 August
• Beaver Road northbound on-ramp, 24 August
• Beaver Road northbound off-ramp, 24 August
• Nikau Road northbound on-ramp, 24 August
• Pokeno southbound off-ramp, 20 August (approx. 10:00pm to 5:00am)
• Pokeno southbound on-ramp, 20 August (approx. 10:00pm to 5:00am)
• Pioneer Road southbound off-ramp, 20 August (approx. 10:00pm to 5:00am)
• Southbound lanes between Mercer off-ramp and Mercer on-ramp, 20 August (approx. 10:00pm to 5:00am)
• Northbound lanes between Mercer off-ramp and Mercer on-ramp, 20 August (approx. 10:00pm to 5:00am)

NORTHWESTERN MOTORWAY (SH16)

• Southbound lanes between Brigham Creek Road roundabout and Hobsonville Road on-ramp, 20-21 August
• Northbound lanes between Hobsonville Road off-ramp and Brigham Creek Roundabout, 20-21 August
• Southbound lanes between Lincoln Road off-ramp and Te Atatu Road on-ramp, 20 August (approx. 10:00pm to 5:00am)
• Southbound lanes between Lincoln Road off-ramp and Great North Road on-ramp, 22 August (approx. 10:00pm to 5:00am)
• Lincoln Road southbound on-ramp, 20 & 22 August
• Te Atatu Road (Loop) southbound on-ramp, 22 August
• Te Atatu Road (Diamond) southbound on-ramp, 22 August
• Rosebank Road southbound on-ramp, 22 August
• Eastbound lanes between Great North Road off-ramp and Grafton Road on-ramp, 23 August (approx. 10:00pm to 5:00am)
• Great North Road eastbound on-ramp, 23 August
• St Lukes Road eastbound on-ramp, 23 August
• SH16 eastbound to SH20 southbound link (Waterview southbound tunnel closed), 21 - 22 August
• Great North Road eastbound off-ramp (Waterview southbound tunnel closed), 21 - 22 August
• SH16 westbound to SH20 southbound link (Waterview Southbound tunnel closed) 21 - 22 August
• St Lukes Road westbound on-ramp, 21 August
• Newton Road westbound on-ramp, 21 August

UPPER HARBOUR MOTORWAY (SH18)

• Brigham Creek Road eastbound on-ramp, 20-22 August (approx. 8:00pm to 5:00am

SOUTHWESTERN MOTORWAY (SH20)

• Northbound lanes between Maioro Street off-ramp and SH16 links (Waterview northbound tunnel closed), 23 & 24 August
• Maioro Street northbound on-ramp (Waterview northbound tunnel closed), 23 & 24 August
• Hillsborough Road northbound off-ramp, 21 & 24 August
• Southbound lanes between Puhinui Road off-ramp and Puhinui Road on-ramp, 20 August